DefaultLuceneSearchEngineStore:502 – uses a deprecated IndexWriter constructor
it forces autocommit to true when first creating the index, which fails on Postgres
the line:
IndexWriter indexWriter = new IndexWriter(dir, new StandardAnalyzer(), true);
should probably be replaced with
IndexWriter indexWriter = new IndexWriter(dir, new StandardAnalyzer(), true, IndexWriter.DEFAULT_MAX_FIELD_LENGTH);